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- Sinkholes are often saucer-shaped hollows that are the result of some kind of collapse or removal of an underlying layer of rocks that used to support the layer of material at the surface. However, sinkholes can appear in a variety of different shapes and settings depending on the composition of the rocks and different interacting processes.
www.bgs.ac.uk/discovering-geology/earth-hazards/sinkholes/Understanding sinkholes and karst - British Geological Survey
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Sinkholes are often saucer-shaped hollows that are the result of some kind of collapse or removal of an underlying layer of rocks that used to support the layer of material at the surface. However, sinkholes can appear in a variety of different shapes and settings depending on the composition of the rocks and different interacting processes.
A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer.
Sinkholes are depressions or holes in the ground caused by the collapse of a surface layer, often resulting from the dissolution of soluble bedrock such as limestone.
A sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes are most common in what geologists call, “karst terrain.”
Sep 26, 2024 · sinkhole, topographic depression formed when underlying limestone bedrock is dissolved by groundwater. It is considered the most-fundamental structure of karst topography. Sinkholes vary greatly in area and depth and may be very large.
- The Editors of Encyclopaedia Britannica
Jul 3, 2024 · A sinkhole is a hole in the ground that forms when water dissolves surface rock. Often, this surface rock is limestone , which is easily eroded , or worn away, by the movement of water. In a landscape where limestone sits underneath the soil, water from rainfall collects in cracks in the stone.
Apr 25, 2017 · The sinkhole, also known as swallow hole or cenote, is a hole or depression in the ground that results from some form of a collapse of the surface layer. As the name suggests, a sinkhole resembles a cylindrical hole or depression either deep or shallow depending on the magnitude of the force forming the hole and the soil layer. Most of the ...